Dimm Installation Sequence - IBM System x3500 Installation And User Manual

DIMM installation sequence

Depending on the server model, the server may come with a minimum of one 2 GB
or 4 GB DIMM installed in slot 1. When you install additional DIMMs, install them in
the order shown in the following table to optimize system performance. In general,
all three channels on the memory interface for each microprocessor can be
populated in any order and have no matching requirements.
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IBM System x3500 M4 Type 7383: Installation and User's Guide
Table 6. Independent mode DIMM installation sequence
Number of installed
microprocessor
One microprocessor
installed
Two microprocessors
installed
DIMM connector population sequence
1, 4, 9, 12, 2, 5, 8, 11, 10, 7, 6, 3
1, 13, 4, 16, 9, 21, 12, 24, 2, 14, 5, 17, 8, 20, 11, 23, 22, 10,
19, 7, 18, 6, 15, 3